I have just installed a new AA-5B muffler/exhaust system. I now have unacceptable CO2 levels in the cabin 75-105ppm. Just had an exhaust system pressure leak check and all was within limits. Prior to exhaust replacement I had no CO2 issues and no bulkhead leak issues to the cabin. Has anyone else had a similar experience after exhaust system replacement? Nothing else was changed. Thank you. Greg
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This topic was modified 4 years, 8 months ago by
Greg.